Finding the Fourth Proportional to 4,708,170.50, 7,062,321.35 and 1,342,377.50
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Solution
The fourth proportional to 4,708,170.50, 7,062,321.35 and 1,342,377.50 is: 2,013,584.95
Step by Step Solution
- Step 1: Write the proportion equation
4,708,170.50 : 7,062,321.35 = 1,342,377.50 : x - Step 2: Convert to fraction form
4,708,170.50/7,062,321.35 = 1,342,377.50/x - Step 3: Cross multiply
4,708,170.50x = 7,062,321.35 × 1,342,377.50 - Step 4: Simplify right side
4,708,170.50x = 9,480,301,278,009.63 - Step 5: Solve for x
x = 9,480,301,278,009.63/4,708,170.50 - Step 6: Final answer
x = 2,013,584.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.